Unit 9 Crossword Puzzle

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Across
  1. 4. can be raised to the power of
  2. 6. separate into parts
  3. 8. answer to a division problem
  4. 11. answer to an addition problem
  5. 12. the same
  6. 14. expressions that have variables and coefficients
  7. 15. number taken away from another number
Down
  1. 1. a stand in for an unknown number
  2. 2. number by which a variable is multiplyed
  3. 3. a number less than 0
  4. 5. consists of three terms
  5. 7. number times a number
  6. 9. number plus a number
  7. 10. times itself
  8. 13. expression with one term